Chiefs' Mahomes in concussion protocol after playoff win

Kansas City Chiefs quarterback Chad Henne celebrates after a run during the second half of an NFL divisional round football game against the Cleveland Browns, Sunday, Jan. 17, 2021, in Kansas City. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Chad Henne scrambles up field during the second half of an NFL divisional round football game against the Cleveland Browns, Sunday, Jan. 17, 2021, in Kansas City. (AP Photo/Charlie Riedel)

Kansas City Chiefs quarterback Patrick Mahomes (15) is helped off the field after getting injured during the second half of an NFL divisional round football game against the Cleveland Browns, Sunday, Jan. 17, 2021, in Kansas City. (AP Photo/Jeff Roberson)

Kansas City Chiefs quarterback Patrick Mahomes (15) is helped off the field by teammate Mike Remmers, right, after getting injured during the second half of an NFL divisional round football game against the Cleveland Browns, Sunday, Jan. 17, 2021, in Kansas City. (AP Photo/Charlie Riedel)